ACM0802B AZDISPLAYS | Alldatasheet
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Technical content
AZ DISPLAYS, INC. Complete LCD Solutions AZ DISPLAYS, INC. 1 5-22-00 ACM0802B SERIES LCD MODULE
1.0 PHYSICAL DATA
Item Nominal Dimensions / Available Options Unit Number of Characters 8 characters x 2 lines - Character Format 5 x 7 dots with cursor - Overall Module Size (W x H x D) 58.0 x 32.0 x max 13.5 for LED backlight version 58.0 x 32.0 x max 9.5 for reflective version mm Dot Size (W x H) 0.56 x 0.66 mm Dot Pitch (W x H) 0.60 x 0.70 mm Duty 1/16 - Controller IC KS0066 - LC Fluid Options STN - Polarizer Options Reflective, Transflective - Backlight Options LED - Temperature Range Options Standard -
2.0 ABSOLUTE MAXIMUM RATINGS
Item Symbol Min Typ Max Unit Operating temperature (Standard) Top 0 - 50 °C Storage temperature (Standard) Tst -20 - 70 °C Input voltage V I V SS - V DD V Supply voltage for logic V DD -V SS 0 5.0 6.5 V Supply voltage for LCD drive (Standard) V DD -V O 0 - 6.5 V 3.0 OPTICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V, STN LC Fluid) Item Symbol Condition Min Typ Max Unit Viewing angle (horizontal) θ Cr ≥ 2.0 ±30 - ±45 deg Viewing angle (vertical) φ Cr ≥ 2.0 60 - 80 deg Contrast Ratio Cr φ=0 °, θ=0 ° 4.5 - 10 Response time (rise) Tr φ=0 °, θ=0 ° - 120 240 ms Response time (fall) Tf φ=0 °, θ=0 ° - 155 310 ms
AZ DISPLAYS, INC. 2 5-22-00 ACM0802B SERIES LCD MODULE 4.0 ELECTRICAL CHARACTERISTICS (Ta = 25°C, VDD = 5.0V ± 0.25V) Item Symbol Condition Min Typ Max Unit Supply voltage for LCD drive (Std temp) V DD -V O Ta = 25 °C 4.3 V Input voltage V I - 4.75 5.0 5.25 V Input high voltage V IH - 2.2 - V DD V Input low voltage V IL - 0 - 0.6 V Output high voltage V OH IOH =0.2 m A 2.4 - - V Output low voltage V OL IOL =1.2 m A - - 0.4 V Supply current IDD V DD =5.0V - 3.0 m A Input leakage current ILKG - - - 1.0 u A LED power supply current ILED V LED =5V, R= 4.7 Ω - 170 - mA
5.0 INTERFACE PIN CONNECTIONS
Pin No. Symbol Level Pin Description Function
1 V SS - Ground 0V
2 V DD - Supply voltage for logic +5V
3 V O - LCD contrast adjust By user
4 RS H/L Register select H: Data; L: Instruction code
5 R/W H/L Read / write H: Data read, L: Data write
6 E H, H → L Enable Start signal for data read/write
7 DB0 H/L Data bit 0 8-bit interface
8 DB1 H/L Data bit 1 8-bit interface
9 DB2 H/L Data bit 2 8-bit interface
10 DB3 H/L Data bit 3 8-bit interface
11 DB4 H/L Data bit 4 4-bit or 8-bit interface
12 DB5 H/L Data bit 5 4-bit or 8-bit interface
13 DB6 H/L Data bit 6 4-bit or 8-bit interface
14 DB7 H/L Data bit 7 4-bit or 8-bit interface
A A - Anode for LED backlight Power supply for LED backlight K K - Cathode for LED backlight Power supply for LED backlight
AZ DISPLAYS, INC. 3 5-22-00 ACM0802B SERIES LCD MODULE
6.0 POWER SUPPLY
7.0 BLOCK DIAGRAM
SEG1~40
1 VSS
2 VDD
5 R/W
-14 DB7 14 DB7 A K
7 DB0 LCD 8 X 2
V R = 10K Ω ~ 20K Ω
AZ DISPLAYS, INC. 4 5-22-00 ACM0802B SERIES LCD MODULE
8.0 TIMING CHARACTERISTICS (KS0066 Controller)
Item Symbol Test Condition Min. Typ. Max. Unit Enable cycle time tCYC Fig. a, Fig. b 500 - - ns Enable pulse width PW EH Fig. a, Fig. b 220 - - ns Enable rise/fall time tEr , t Ef Fig. a, Fig. b - - 25 ns RS, R/W set up time tAS Fig. a, Fig. b 40 - - ns RS, R/W hold time tH1 Fig. a, Fig. b 10 - - ns Data set up time tDSW Fig. a 60 - - ns Data hold time tH2 Fig. a 10 - - ns Data delay time tDDR Fig. b - - 120 ns Data hold time tH2 Fig. b 20 - - ns 0.6V - 0.6V - 2.2V - DDR - 0.6V - 2.2V Fig. b Interface timing (data read) t RS R/ W E DB0-DB7 RS R/ W E DB0-DB7 - 2.2V - 0.6V - 2.2V - 0.6V - 0.6V - 2.2V Eft 2.2V - - 0.6V 2.2V - EHPW AS Ert 0.6V - - 2.2V t Fig. a Interface timing (data write) Valid Data Valid Data CYCt - 0.6V t AS EHPW 0.6V - Ert - 2.2V - 0.6V - 2.2V CYCt 2.2V - 0.6V - H1t H1t H2t 0.6V - 2.2V - t 0.6V - H1t t H2 Eft 2.2V - DSWt 0.6V - 2.2V - - 0.6V
13.5(max) 1.6 10.5 26.0±0.1 16.0±0.1 3.55 2.96 0.60 A 10.16 11.5 K mmUNIT : ACM0802B SCALE : NONE 2. :Vdd 3. :Vo 4. :RS 5. :R/W 6. :E 7. :DB0 14.:DB7 1. :Vss 29.0 27.0±0.2 32.0±0.5 15.24 Pin Function AZ DISPLAYS, INC. DWG-NO THIRD ANGLE PROJECT 0.56 58.0±0.5 53.0±0.2 44.2±0.1 38.0±0.1 27.81 0.70 5.94 5.56 0.66 TITLE DATE APPROVE CHECK DESIGN NAME DRAW Rev.B 5-22-00